Ohio GXMO Study Guide Review
Questions and Answers
Who discovered x-rays? - Answer-Wilhelm Conrad Roentgen
When were x-rays discovered? - Answer-November 8, 1895 in Germany
What are the 3 Cardinal Principals of radiation protection? - Answer-Maximize distance, maximize
shielding, minimize time
What is Erythema? - Answer-Reddening of the skin
What is Anemia? - Answer-Decrease of oxygen in blood, low blood count
What is Leukopenia? - Answer-Low WBC count
What is epilation? - Answer-Loss of hair
What does ALARA stand for? - Answer-As Low As Reasonably Achievable
What is collimation? - Answer-Limits the size/area of the x-ray beam
,What is a proton? - Answer-Positively charged, in nucleus of atom
What is a neutron? - Answer-No electrical charge, in nucleus of atom
What is a electron? - Answer-Negatively charged, in orbital shell around nucleus of an atom
What is an ion? - Answer-A charged particle
What is ionization? - Answer-Process of an electron leaving its orbit around a neutral atom
What is an ion pair? - Answer-An electron and a positive charged atom
What does isotropic mean? - Answer-Equal in all directions
What is energy? - Answer-The ability to do work
What is mass? - Answer-The quantity of matter
What is matter? - Answer-Anything that occupies space and has mass
What travels at 186,000 miles/second? - Answer-All electromagnetic radiation
Does electromagnetic radiation have mass? - Answer-No
, What has higher energy than visible light? - Answer-X-rays
What happens when x-rays are absorbed by body tissue? - Answer-Causes ionization of atoms and
molecules
Ionization can result in what type of damage? - Answer-Biological Damage
What is radioplaque? - Answer-DOES NOT go through
What is radiolucent? - Answer-Sees through
A special mechanism that stops tube movement at a specific location is? - Answer-Detent
What device receives the energy of the x-ray beam and forms the image of the body part? - Answer-
Image Receptor
What type of cassette containing film receives x-ray beam? - Answer-Film based
What is a latent image? - Answer-A hidden image
A cassette containing film receives the x-ray beam. The film now contains a latent image and will
become visible after being processed in a? - Answer-Dark room
What type of cassette containing a phosphor plate receives the x-ray beam? - Answer-Computed
Radiography
In CR, the phosphor plate will be scanned by a? - Answer-Laser
Questions and Answers
Who discovered x-rays? - Answer-Wilhelm Conrad Roentgen
When were x-rays discovered? - Answer-November 8, 1895 in Germany
What are the 3 Cardinal Principals of radiation protection? - Answer-Maximize distance, maximize
shielding, minimize time
What is Erythema? - Answer-Reddening of the skin
What is Anemia? - Answer-Decrease of oxygen in blood, low blood count
What is Leukopenia? - Answer-Low WBC count
What is epilation? - Answer-Loss of hair
What does ALARA stand for? - Answer-As Low As Reasonably Achievable
What is collimation? - Answer-Limits the size/area of the x-ray beam
,What is a proton? - Answer-Positively charged, in nucleus of atom
What is a neutron? - Answer-No electrical charge, in nucleus of atom
What is a electron? - Answer-Negatively charged, in orbital shell around nucleus of an atom
What is an ion? - Answer-A charged particle
What is ionization? - Answer-Process of an electron leaving its orbit around a neutral atom
What is an ion pair? - Answer-An electron and a positive charged atom
What does isotropic mean? - Answer-Equal in all directions
What is energy? - Answer-The ability to do work
What is mass? - Answer-The quantity of matter
What is matter? - Answer-Anything that occupies space and has mass
What travels at 186,000 miles/second? - Answer-All electromagnetic radiation
Does electromagnetic radiation have mass? - Answer-No
, What has higher energy than visible light? - Answer-X-rays
What happens when x-rays are absorbed by body tissue? - Answer-Causes ionization of atoms and
molecules
Ionization can result in what type of damage? - Answer-Biological Damage
What is radioplaque? - Answer-DOES NOT go through
What is radiolucent? - Answer-Sees through
A special mechanism that stops tube movement at a specific location is? - Answer-Detent
What device receives the energy of the x-ray beam and forms the image of the body part? - Answer-
Image Receptor
What type of cassette containing film receives x-ray beam? - Answer-Film based
What is a latent image? - Answer-A hidden image
A cassette containing film receives the x-ray beam. The film now contains a latent image and will
become visible after being processed in a? - Answer-Dark room
What type of cassette containing a phosphor plate receives the x-ray beam? - Answer-Computed
Radiography
In CR, the phosphor plate will be scanned by a? - Answer-Laser
